Java Questions & Answers

How to get the filename without the extension in Java?

Java

1 Answer · 858 Views · Answered ✓

C Asked by: Clare Matthews · 5 years ago

java.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries. spark Eclipse on windows 7

Java

1 Answer · 1.3K Views · Answered ✓

F Asked by: Felicity Davies · 5 years ago

IntelliJ - Convert a Java project/module into a Maven project/module

Java

1 Answer · 1.4K Views · Answered ✓

N Asked by: Nitin Solanki · 5 years ago

Java “lambda expressions are not supported at this language level”

I was testing some new features of Java 8 and copied the example into my IDE (Eclipse originally, then IntelliJ) as shown hereEclipse offered no…

Java

1 Answer · 3.5K Views · Answered ✓

K Asked by: krish Mishra · 5 years ago

How to round up to 2 decimal places in java?

I am using math.round() to round off. this is the code:class round{ public static void main(String args[]){ double a = 123.13698; double roundOff =…

Java

1 Answer · 737 Views · Answered ✓

C Asked by: Camellia Kleiber · 5 years ago

How can I resolve java text parseexception unparseable date exception?

While executing the below code, it throws a parsing exception:String date="Sat Jun 01 12:53:10 IST 2013"; SimpleDateFormat sdf=new…

Java

1 Answer · 2.7K Views · Answered ✓

D Asked by: Deirdre Cameron · 5 years ago

How to create a .jar file or export jar on IntelliJ (like eclipse java archive export)

Java

1 Answer · 1.6K Views · Answered ✓

T Asked by: Tamura Takada · 5 years ago

Boolean vs boolean in Java

There are discussions around Integer vs int in Java. The default value of the former is null while in the latter it's 0. How about Boolean vs…

Java

1 Answer · 1.8K Views · Answered ✓

J Asked by: Joan Gill · 5 years ago

How to explain project in interview on Java?

Java

1 Answer · 1.2K Views · Answered ✓

E Asked by: Edyth Ferrill · 5 years ago

What is SuppressWarnings (“unchecked”) annotation in Java?

Sometimes when looking through the code, I see many methods specify an annotation:@SuppressWarnings("unchecked")

Java

1 Answer · 401 Views · Answered ✓

A Asked by: Aashish chaursiya · 5 years ago

Pyspark: Exception: Java gateway process exited before sending the driver its port number

Java

1 Answer · 2.3K Views · Answered ✓

N Asked by: Nitin Solanki · 5 years ago

Can I Convert Calendar date to yyyy-MM-dd format in java?

How to convert calendar date to yyyy-MM-dd format.Calendar cal = Calendar.getInstance();cal.add(Calendar.DATE, 1);Date date = cal.getTime();…

Java

1 Answer · 1.4K Views · Answered ✓

N Asked by: NISHA arti · 5 years ago